Cast on 34 sts for half of front and work 10 rows in ribbing (K 2, P 2). Change to stockinette st and work 8 rows, break yarn and place sts on a stitch holder. Cast on 40 sts for half of back and work 10 rows in ribbing, change to stockinette st, K 10 sts, turn, purl back to end of row (center seam of back) K 20, turn, P back to end of row. K 30, turn, P back to end of row. K 1 row, P 1 row. Increase one st at the beginning of next row (back seam) work 3 rows even. Increase at the beginning of next row.

Slip the 34 sts from stitch holder to the free needle and K them on to the same needle increasing in 2nd st from end (front seam). Continue to increase at both ends in every 6th row until there are 10 increases at back edge and 9 at the front edge. Work even for 5 rows. Bind off 3 sts at the beginning of the next 2 rows then decrease one st each side of the next 4 knitted rows and work 1 row even. Finish lower edge in ribbing (K 2, P 2) working 2 rows Navy Blue, 4 Delft Blue, 2 Navy, 4 Delft. Bind off and work other half to correspond, beginning first row after the ribbing with Purl row to reverse pattern. Sew seams and work 3 rows of single crochet at top of pants.